11565813

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 19535040

約数和(自身を除く): 7969227

約数列:

[1, 3, 7, 19, 21, 41, 49, 57, 101, 123, 133, 147, 287, 303, 399, 707, 779, 861, 931, 1919, 2009, 2121, 2337, 2793, 4141, 4949, 5453, 5757, 6027, 12423, 13433, 14847, 16359, 28987, 38171, 40299, 78679, 86961, 94031, 114513, 202909, 236037, 282093, 550753, 608727, 1652259, 3855271, 11565813]

約数ペア:

[(1, 11565813), (3, 3855271), (7, 1652259), (19, 608727), (21, 550753), (41, 282093), (49, 236037), (57, 202909), (101, 114513), (123, 94031), (133, 86961), (147, 78679), (287, 40299), (303, 38171), (399, 28987), (707, 16359), (779, 14847), (861, 13433), (931, 12423), (1919, 6027), (2009, 5757), (2121, 5453), (2337, 4949), (2793, 4141)]